Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
7/23/71
loc 7135 center E1 l/ne
NE 1/4 NW 1/4 Sec. 23
T8S, R. 102 W, Carbon Co,
Mont
7135 b. lignitic silty
grey sh. in bank.
highest known lignitic
zone on BS Mt. Frt.
7135 a. lignitic silty
zone sampled in freshly
scraped coal.